@unpublished{repository11130,
           title = {Surat Perjanjian Kontrak Kerja Penelitian},
       publisher = {Uhamka},
            note = {Unpublished},
          author = {Khavisa Pranata, Khavisa and Rahmiati, Rahmiati},
             url = {http://repository.uhamka.ac.id/id/eprint/11130/}
}